Home / 220,046,579.70-330,069,869.55-66,672,707.10

Finding the Fourth Proportional to 220,046,579.70, 330,069,869.55 and 66,672,707.10

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Solution

The fourth proportional to 220,046,579.70, 330,069,869.55 and 66,672,707.10 is: 100,009,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,046,579.70 : 330,069,869.55 = 66,672,707.10 : x
  2. Step 2: Convert to fraction form
    220,046,579.70/330,069,869.55 = 66,672,707.10/x
  3. Step 3: Cross multiply
    220,046,579.70x = 330,069,869.55 × 66,672,707.10
  4. Step 4: Simplify right side
    220,046,579.70x = 22,006,651,735,042,360
  5. Step 5: Solve for x
    x = 22,006,651,735,042,360/220,046,579.70
  6. Step 6: Final answer
    x = 100,009,060.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.